* {
    
    
}
.jl {
    margin-top: 0;
    float: left;
    display: block;
    background-color: skyblue;
    height:  448px;
    width: 100px;
    text-align: center;
    padding: 100px;
    font-size: 50px;
    font-weight: bold;
    color: #fff;
    margin-right: 30px;
}